<!DOCTYPE html>
<body>
<script src="../../resources/testharness.js"></script>
<script src="../../resources/testharnessreport.js"></script>
<textarea>
text3
 </textarea>
<script>
test(() => {
    document.querySelector('textarea').focus();
    document.execCommand('selectAll');
    selection = document.getSelection();
    selection.deleteFromDocument();
    document.execCommand('InsertText', false, '\n');
}, 'A combination of deleteFromDocument() and InsertText command should not cause check failure in HTMLTextAreaElement.');
</script>
</body>
